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Food

This San Jose Seafood Truck Serves One of the Spiciest Dishes in the Bay Area

Octavio Peña
Mariscos El Aguachiles 8's twelve heat levels will take down even the proudest chile head.
Raw shrimp, avocado and onion layered on top of a tostada and drenched in green sauce.
Even the level 9 aguachile verde tostada at Mariscos El Aguachiles 8 was almost too spicy to endure. The San Jose food truck serves some of the Bay Area's spiciest dishes. (Octavio Peña)

Mariscos El Aguachiles 8 is a seafood trailer wrapped in a giant, chile-red octopus tucked away in a small, bustling Mexican neighborhood a few minutes from Downtown San Jose. Its main attraction? Aguachile served in 12 heat levels — ranging from tickle-in-the-back-of-your-throat to capsaicin-induced hysteria — that might be the single spiciest dish in the entire Bay Area.

Even if you’re not a heat seeker, the business has become a community hub for all seafood lovers. During my visit on a cold Sunday morning, a couple huddled up in front of a bowl of soup swimming with mussels, crawfish and shrimp. Meanwhile, a group of rowdy friends passed around a glass chalice overflowing with octopus, shrimp and pata de mula to treat their hangovers. Meanwhile, the owner, Jose “Pepe” Rodriguez, made the rounds, giving customers tips on how to best enjoy their meal — like spooning the spicy aguachile liquid onto their oysters — and bantering with the ones panting and sweating from the chile heat.

Rodriguez started selling mariscos from his San Jose home in 2018. His recipes are inspired by his grandmother, who taught him to make traditional seafood dishes like ceviche and Mexican-style shrimp cocktail when he was growing up on the coast of Michoacán. The decision to actually sell his food came after years of family and friends hyping Rodriguez up during the weekly aguachile feasts he hosted in his backyard. “I started with five pounds of shrimp,” he recalls of the early days of his home business. “And I didn’t sell them.”

Overhead view of a large platter of clams and oysters topped with shrimp, with lime wedges all around the perimeter of the plate.
An oyster and clam plate. (Octavio Peña)

But business wasn’t slow for long. Rodriguez became known for his fresh, flavorful aguachiles — a raw seafood dish made by marinating shrimp in chiles and lime juice. By 2023, he’d built up a large enough customer base that he invested in a food trailer and started selling 300 to 400 pounds of seafood every weekend. At the end of last year, he moved to his current location, which has a tented outdoor dining area, and started opening on weekdays too. Even as he’s gotten more successful, the food truck still feels like an extension of those early, informal backyard seafood bashes. Rodriguez often sits down to chat with his regulars while they eat as if they were guests at his home.

The growth of the business can be attributed in part to Aguachiles 8’s reputation as the spiciest aguachiles spot in all of San Jose. But those 12 heat levels are more than just a clever marketing hook. They also help create a lively sense of camaraderie among the customers, who tend to come together in groups to share a spicy dish, poking fun at each other’s reactions to the heat. The option to tweak the spice level is also what keeps many regulars coming back for a new experience on each visit. For the more mild versions, the marinade is made with serranos and chiles de árbol, while the highest levels are laced with a frightening amount of ghost peppers and Carolina Reapers.

A glass chalice overflowing with shrimp and other seafood.
Aguachiles 8’s campechana is overflowing with seafood. The dish is a famous hangover cure. (Octavio Peña)

Rodriguez says one customer even worked his way up through the ranks to complete all 12 levels. Anyone who dares take on that final level 12 challenge does so to both chuckling onlookers and, usually, an audience on Instagram Live.

“It’s not something I would recommend to you,” says Rodriguez. “It hurts your stomach. I’ve sent people to the hospital.”

A lot of people want to look good for the camera but can’t deal with the consequences, Rodriguez explains. Whenever he spots anyone in the dining area with a runny nose or teary eyes, he shakes them by the shoulders and says, “estás enchilado!” (“you’re spiced out!”), loudly announcing their defeat. During one visit, I saw a man hiding from his friends as he coughed it out in a corner of the parking lot. I wish I could say I ignored Rodriguez’s stern warning and finished the level 12 aguachile without breaking a sweat, but he ultimately talked me down to a level nine.

I have a decent heat tolerance. I always opt for the spiciest option on the menu, and I’ve even nibbled on Carolina Reapers just for fun. Yet, my tostada de aguachile verde left me with red swollen lips and a lava pit deep in my stomach. The tostada came stacked with raw shrimp, onions, cucumber and avocado slices speckled with chiltepin. I’ll admit I dug in too confidently, and by the time I started feeling it, my tongue was numb and the heat was creeping into my ears.

The rest of the morning was a blur that ended with a pile of sauce-stained napkins and an empty 32-ounce water bottle. Thankfully, I brought a designated driver — my fiancé — to get me home safely while I burrowed my tongue in an ice cream cone.

A bowl of soup filled with large shrimp, garnished with chopped onion and cilantro.
A bowl of mariscos soup, one of a handful of hot dishes that rotate through the menu. (Octavio Peña)

Rodriguez’s food isn’t all about overpowering heat, though. His aguachile marinade stands apart for its extreme acidity and the complex flavor that comes from his use of multiple chiles. On a previous visit, I’d enjoyed the (still very spicy) level four, which showed off the aguachile’s more subtle flavors of avocado and mango. Even the overwhelming level nine was still delicious because of the contrast between the crunchy tostada, tender shrimp, and snappy cucumber and onion.

Besides the aguachiles, Rodriguez offers more than 85 rotating dishes that vary based on what seafood or vegetables are in season. “I’m very particular. I’ll complain to my seafood or vegetable vendors if they bring me something I don’t like,” he says. Most of the dishes are cold, but he sometimes also serves hot dishes like catfish soup or spicy octopus tacos.

When demand for his spiciest aguachiles went up, Rodriguez even started growing his own chiles at home, and his cousin grows an additional 200 pounds of ghost peppers and Carolina Reapers for him at his farm in Petaluma.

Two men pose for a portrait in front of their food truck. The painted lettering on the truck reads, "Mariscos El Aguachiles 8."
Owner Jose “Pepe” Rodriguez (right) and his son Anthony pose for a portrait in front of their mariscos truck. (Courtesy of Mariscos El Aguachiles 8)

Rodriguez hopes to eventually turn Aguachiles 8 into a full-fledged restaurant. These days, while he works in construction during the week, his 19-year-old son, Anthony, runs the trailer. “I told my son, ‘I’m only in this life for a limited time. This business is for you,’” says Rodriguez. He encourages his son to experiment in the kitchen, and if he likes his creations, they get added to the menu. “I’m really proud of what he’s doing.”

Recently, Anthony has stepped up to command the ship more and more of the time — but on weekends, he still needs the final thumbs up from his dad for anyone seeking higher than a level eight.

Mariscos El Aguachiles 8 is open Tue. to Sun. 11 a.m.–5 p.m. at 199 Willow St., San Jose. Cash only.

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